:root{
  --noche:#061C18; --verde:#0F3D33; --turq:#16C2AE; --arena:#EEE8DA;
  --bio:#8CF5DC; --turq-prof:#0B8577; --coral:#FF7759; --dorado:#F3AE3D;
  --niebla:#A9B8B1; --piedra:#55625C;
  --sans:'Space Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
  --gut:clamp(20px,5vw,72px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{background:var(--noche);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--noche);color:var(--arena);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
.mono{font-family:var(--mono);font-weight:500;letter-spacing:.14em;text-transform:uppercase}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Loader ---------- */
.loader{position:fixed;inset:0;z-index:60;background:var(--noche);display:grid;place-items:center;
  transition:opacity .9s var(--ease),visibility .9s}
.loader.out{opacity:0;visibility:hidden}
.loader-in{display:flex;flex-direction:column;align-items:center;gap:22px}
.loader .iso{width:76px;height:auto;display:block}
.loader .iso{animation:pulse 1.6s ease-in-out infinite}
.loader .pct{font-size:11px;color:var(--niebla)}
.loader .bar{width:120px;height:1px;background:rgba(238,232,218,.15);position:relative;overflow:hidden}
.loader .bar i{position:absolute;inset:0;background:var(--turq);transform-origin:left;transform:scaleX(0);transition:transform .3s linear}
@keyframes grow{to{stroke-dashoffset:0}}

/* ---------- Stage (fixed video) ---------- */
.stage{position:fixed;inset:0;z-index:0;overflow:hidden;background:var(--noche)}
.stage video,.stage .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.stage video{opacity:0;transition:opacity .6s}
.stage video.on{opacity:1}
.poster{transition:opacity 1s}
.poster.p2,.poster.p3{opacity:0}
.shade{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 45%,rgba(6,28,24,0) 45%,rgba(6,28,24,.55) 100%),
    linear-gradient(180deg,rgba(6,28,24,.55) 0%,rgba(6,28,24,0) 22%,rgba(6,28,24,0) 62%,rgba(6,28,24,.7) 100%)}
.dim{position:absolute;inset:0;background:var(--noche);opacity:0;pointer-events:none}
.grain{position:absolute;inset:-50%;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

/* tech layers */
.vf{position:absolute;inset:clamp(70px,11vh,120px) clamp(24px,7vw,120px);pointer-events:none;opacity:0}
.vf i{position:absolute;width:28px;height:28px;border:1.5px solid rgba(238,232,218,.75)}
.vf i:nth-child(1){left:0;top:0;border-right:0;border-bottom:0}
.vf i:nth-child(2){right:0;top:0;border-left:0;border-bottom:0}
.vf i:nth-child(3){left:0;bottom:0;border-right:0;border-top:0}
.vf i:nth-child(4){right:0;bottom:0;border-left:0;border-top:0}
.vf .cross{position:absolute;left:50%;top:50%;width:18px;height:18px;transform:translate(-50%,-50%)}
.vf .cross:before,.vf .cross:after{content:"";position:absolute;background:rgba(238,232,218,.6)}
.vf .cross:before{left:50%;top:0;bottom:0;width:1px}
.vf .cross:after{top:50%;left:0;right:0;height:1px}
.vf .rec{position:absolute;left:40px;top:4px;font-size:10px;color:var(--arena);display:flex;gap:8px;align-items:center}
.vf .rec b{width:7px;height:7px;border-radius:50%;background:var(--coral);animation:blink 1.4s steps(2) infinite}
@keyframes blink{50%{opacity:.15}}

.water{position:absolute;left:0;right:0;top:47%;height:1px;pointer-events:none}
.water .line{position:absolute;inset:0;background:linear-gradient(90deg,rgba(22,194,174,0),var(--turq) 18%,var(--bio) 50%,var(--turq) 82%,rgba(22,194,174,0));
  transform:scaleX(0);box-shadow:0 0 18px rgba(140,245,220,.7)}
.water .lbl{position:absolute;left:var(--gut);top:12px;font-size:10px;color:var(--bio);opacity:0;white-space:nowrap}

#roots{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:0;mix-blend-mode:screen;
  filter:drop-shadow(0 0 4px rgba(140,245,220,.9)) drop-shadow(0 0 14px rgba(22,194,174,.55))}
#roots path{fill:none;stroke:var(--bio);stroke-linecap:round}
#roots .link{stroke:var(--bio);stroke-width:.8;opacity:.5;stroke-dasharray:1 5}
#roots circle{fill:var(--bio)}
#roots circle.pulse{animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}

/* ---------- Chrome (nav + HUD) ---------- */
.nav{position:fixed;left:0;right:0;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:clamp(16px,2.6vw,30px) var(--gut)}
.nav .logo{display:block;height:clamp(24px,2.3vw,30px);opacity:0;transition:opacity .6s}
.nav .logo img{height:100%;width:auto;display:block}
body.scrolled .nav .logo{opacity:1}
.nav .right{display:flex;align-items:center;gap:clamp(12px,2vw,22px)}
.lang{display:flex;gap:2px;font-size:11px}
.lang button{padding:8px 6px;color:rgba(238,232,218,.5);transition:color .3s}
.lang button[aria-pressed="true"]{color:var(--arena)}
.lang span{color:rgba(238,232,218,.3);padding:8px 0}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;border-radius:999px;
  font-family:var(--mono);font-weight:600;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  padding:12px 18px;border:1px solid rgba(238,232,218,.35);transition:background .35s,border-color .35s,color .35s;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(6,28,24,.25)}
.btn:hover{border-color:var(--turq);background:rgba(22,194,174,.14)}
.btn.solid{background:var(--turq);border-color:var(--turq);color:var(--noche);font-size:12px;padding:17px 26px}
.btn.solid:hover{background:var(--bio);border-color:var(--bio)}
.btn svg{width:16px;height:16px}

.hud{position:fixed;right:var(--gut);top:50%;transform:translateY(-50%);z-index:30;display:flex;align-items:center;gap:14px;pointer-events:none}
.gauge{position:relative;width:12px;height:min(46vh,380px)}
.gauge .rail{position:absolute;left:50%;top:0;bottom:0;width:1px;background:rgba(238,232,218,.22)}
.gauge .ticks{position:absolute;inset:0;background:repeating-linear-gradient(180deg,rgba(238,232,218,.35) 0 1px,transparent 1px 19px);
  -webkit-mask:linear-gradient(90deg,transparent 0 3px,#000 3px 9px,transparent 9px);mask:linear-gradient(90deg,transparent 0 3px,#000 3px 9px,transparent 9px)}
.gauge .wl{position:absolute;left:-6px;right:-6px;top:50%;height:1px;background:var(--turq)}
.gauge .mk{position:absolute;left:50%;top:0;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;border-radius:50%;
  background:var(--bio);box-shadow:0 0 0 4px rgba(140,245,220,.15),0 0 14px rgba(140,245,220,.8)}
.readout{display:flex;flex-direction:column;gap:6px;align-items:flex-end;min-width:88px;text-align:right}
.readout .k{font-size:10px;color:var(--niebla)}
.readout .v{font-family:var(--mono);font-size:15px;font-weight:500;letter-spacing:.02em;font-variant-numeric:tabular-nums;color:var(--arena)}
.coords{position:fixed;right:var(--gut);bottom:clamp(18px,3vh,30px);z-index:30;font-size:10px;color:rgba(238,232,218,.6);pointer-events:none}

.chapters{position:fixed;left:var(--gut);bottom:clamp(18px,3vh,30px);z-index:30;display:flex;gap:20px;font-size:10px}
.chapters button{display:flex;align-items:center;gap:8px;color:rgba(238,232,218,.45);transition:color .4s;padding:6px 0}
.chapters button i{width:18px;height:1px;background:currentColor;transition:width .5s var(--ease)}
.chapters button.on{color:var(--arena)}
.chapters button.on i{width:34px;background:var(--turq)}

/* ---------- Scenes (fixed text) ---------- */
.scene{position:fixed;z-index:20;pointer-events:none;opacity:0;will-change:opacity,transform}
.scene.live{pointer-events:auto}
.intro{inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:clamp(18px,3vh,30px);padding:0 var(--gut)}
.intro .mark{width:clamp(260px,44vw,660px)}
.intro .mark img{width:100%;height:auto;display:block}
.intro .tag{font-size:clamp(11px,1vw,13px);color:var(--arena)}
.intro .sub{font-size:10px;color:rgba(238,232,218,.65)}
.cue{position:fixed;left:50%;bottom:clamp(26px,5vh,48px);transform:translateX(-50%);z-index:20;display:flex;flex-direction:column;align-items:center;gap:12px;font-size:10px;color:rgba(238,232,218,.75);pointer-events:none}
.cue i{width:1px;height:46px;background:rgba(238,232,218,.25);position:relative;overflow:hidden}
.cue i:after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:var(--bio);animation:drip 2s var(--ease) infinite}
@keyframes drip{to{top:100%}}

.ch{max-width:min(620px,86vw)}
.ch .k{font-size:11px;color:var(--bio);display:flex;align-items:center;gap:12px;margin-bottom:clamp(14px,2vh,22px)}
.ch .k svg{width:20px;height:20px;color:var(--turq)}
.ch:before,.intro:before{content:"";position:absolute;inset:-18% -22%;z-index:-1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(6,28,24,.62),rgba(6,28,24,.32) 55%,rgba(6,28,24,0));filter:blur(8px)}
.intro:before{inset:22% 18%}
.ch h2,.intro .mark{text-shadow:0 2px 28px rgba(6,28,24,.45)}
.ch h2{margin:0;font-weight:500;font-size:clamp(46px,7.4vw,118px);line-height:.94;letter-spacing:-.04em;text-wrap:balance}
.ch p{margin:clamp(16px,2.4vh,26px) 0 0;font-size:clamp(16px,1.35vw,20px);line-height:1.45;color:rgba(238,232,218,.86);max-width:460px;text-wrap:pretty}
.ch-copa{left:var(--gut);bottom:clamp(90px,15vh,150px)}
.ch-sup{right:calc(var(--gut) + 150px);bottom:clamp(90px,15vh,150px);text-align:right}
.ch-sup .k{justify-content:flex-end}
.ch-sup p{margin-left:auto}
.ch-rai{left:var(--gut);top:0;bottom:0;display:flex;flex-direction:column;justify-content:center;padding-bottom:6vh}

/* ---------- Scroll track + final ---------- */
.track{position:relative;z-index:1;height:760vh}
.arrive{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:clamp(110px,16vh,160px) var(--gut) clamp(40px,7vh,72px)}
.arrive .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:end}
.arrive h2{margin:0;font-weight:500;font-size:clamp(42px,5.2vw,86px);line-height:.95;letter-spacing:-.04em;text-wrap:balance}
.arrive h2 em{font-style:normal;color:var(--turq)}
.arrive .lead{margin:clamp(18px,3vh,28px) 0 clamp(26px,4vh,40px);font-size:clamp(16px,1.35vw,20px);line-height:1.45;color:rgba(238,232,218,.86);max-width:460px}
.arrive .ctas{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.arrive .mail{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:rgba(238,232,218,.75);text-decoration:none;border-bottom:1px solid rgba(238,232,218,.25);padding-bottom:3px}
.arrive .mail:hover{color:var(--arena);border-color:var(--turq)}
.levels{display:flex;flex-direction:column;border-top:1px solid rgba(238,232,218,.16)}
.levels li{list-style:none;display:grid;grid-template-columns:28px 110px 1fr;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid rgba(238,232,218,.16)}
.levels svg{width:22px;height:22px;color:var(--turq)}
.levels .n{font-size:11px;color:var(--arena)}
.levels .s{font-size:14px;color:rgba(238,232,218,.72)}
.levels{margin:0;padding:0}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:clamp(56px,10vh,110px);font-size:10px;color:rgba(238,232,218,.55)}
.seal{width:clamp(92px,8vw,120px);height:auto;opacity:.85}
@keyframes spin{to{transform:rotate(360deg)}}
.foot .fl{display:flex;align-items:center;gap:22px}

/* reveal for final section */
.rv{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.12s}.rv.d2{transition-delay:.24s}.rv.d3{transition-delay:.36s}

/* ---------- Mobile ---------- */
@media (max-width:760px){
  .hud{right:14px;gap:8px}
  .gauge{height:34vh}
  .readout{min-width:0}
  .readout .k{display:none}
  .readout .v{font-size:11px;writing-mode:vertical-rl;transform:rotate(180deg)}
  .coords,.chapters{display:none}
  #roots{filter:drop-shadow(0 0 3px rgba(140,245,220,.85))}
  .vf{inset:84px 18px 330px}
  .ch{max-width:calc(100vw - 72px)}
  .ch-copa{left:20px;bottom:88px}
  .ch-sup{right:auto;left:20px;top:auto;bottom:88px;text-align:left}
  .ch-sup .k{justify-content:flex-start}
  .ch-sup p{margin-left:0}
  .ch-rai{left:20px;top:auto;bottom:88px;display:block;padding:0}
  .ch h2{font-size:clamp(44px,13vw,64px)}
  .nav .btn{padding:0;width:40px;height:40px;justify-content:center}
  .nav .btn span{display:none}
  .nav .logo{height:22px}
  .lang button{padding:8px 4px}
  .arrive .wrap{grid-template-columns:1fr;gap:44px}
  .levels li{grid-template-columns:26px 96px 1fr}
  .foot{margin-top:48px}
}


@media (prefers-reduced-motion:reduce){
  .grain,.seal,.cue i:after,#roots circle.pulse,.vf .rec b{animation:none}
  .rv{transition:none}
}

/* ---------- Nav over content ---------- */
.nav{transition:background .45s,backdrop-filter .45s}
body.deep .nav{background:rgba(6,28,24,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.navlink{font-size:11px;color:rgba(238,232,218,.75);text-decoration:none;padding:8px 4px;transition:color .3s}
.navlink:hover{color:var(--arena)}

/* ---------- Work (real projects) ---------- */
.work{position:relative}
.work-head,.case,.method,.founder{max-width:1440px;margin-left:auto;margin-right:auto;padding-left:var(--gut);padding-right:var(--gut)}
.kick{font-size:11px;color:var(--bio);margin:0 0 clamp(18px,3vh,30px)}
.mega{margin:0;font-weight:500;font-size:clamp(64px,12.4vw,210px);line-height:.86;letter-spacing:-.055em;display:flex;flex-direction:column}
.mega .ln{display:block}
.mega .ln:nth-child(2){background:linear-gradient(90deg,var(--turq),var(--bio));-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.04em}
.mega .ln:nth-child(3){color:transparent;-webkit-text-stroke:1.5px rgba(238,232,218,.9)}
.work-head .lead{font-size:clamp(17px,1.5vw,22px);line-height:1.45;max-width:520px;margin:clamp(26px,4vh,40px) 0 0;color:rgba(238,232,218,.8)}
.marquee{margin:clamp(64px,10vh,110px) 0 0;background:rgba(6,28,24,.38);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid rgba(238,232,218,.12);border-bottom:1px solid rgba(238,232,218,.12);overflow:hidden;padding:20px 0;font-size:13px;color:rgba(238,232,218,.72)}
.mq-track{display:flex;width:max-content;animation:mq 46s linear infinite}
.mq-track span{white-space:pre}
@keyframes mq{to{transform:translateX(-50%)}}

.case{margin-bottom:0}
.idx{display:inline-block;font-size:12px;color:var(--turq);border:1px solid rgba(22,194,174,.5);border-radius:999px;padding:7px 13px}
.tag{font-size:11px;color:var(--niebla);margin:20px 0 14px}
.case h3{margin:0;font-weight:500;font-size:clamp(42px,5.6vw,88px);line-height:.95;letter-spacing:-.04em}
.case h3.big{font-size:clamp(34px,4.1vw,64px);line-height:1.02;letter-spacing:-.035em;text-wrap:balance}
.desc{font-size:clamp(16px,1.3vw,19px);line-height:1.5;color:rgba(238,232,218,.78);max-width:520px;margin:18px 0 0}
.go{display:inline-flex;align-items:center;gap:10px;margin-top:30px;font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:var(--arena);border-bottom:1px solid var(--turq);padding-bottom:7px}
.go svg{width:16px;height:16px;color:var(--turq);transition:transform .35s var(--ease)}
.go:hover svg{transform:translate(3px,-3px)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chips span{font-size:11px;padding:9px 14px;border-radius:999px;border:1px solid rgba(238,232,218,.22);background:rgba(238,232,218,.04)}

/* 01 web */
.case-web .case-meta{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:clamp(20px,3vw,48px);align-items:end;margin-bottom:clamp(36px,6vh,64px)}
.case-web .case-meta .tag{margin-top:0}
.case-web .go{margin:0 0 8px}
.browser-wrap{perspective:1600px}
.browser{transform-origin:50% 0;border-radius:14px;overflow:hidden;background:#0c1a17;border:1px solid rgba(238,232,218,.14);will-change:transform;
  box-shadow:0 60px 140px -30px rgba(0,0,0,.75),0 0 100px -20px rgba(22,194,174,.22)}
.browser .bar{display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;background:linear-gradient(#152823,#0f1f1b);border-bottom:1px solid rgba(238,232,218,.08)}
.browser .bar i{width:11px;height:11px;border-radius:50%;background:rgba(238,232,218,.2)}
.browser .bar i:nth-child(1){background:rgba(255,119,89,.75)}
.browser .bar i:nth-child(2){background:rgba(243,174,61,.75)}
.browser .bar i:nth-child(3){background:rgba(22,194,174,.75)}
.browser .url{margin:0 auto;display:flex;align-items:center;justify-content:center;gap:8px;min-width:min(340px,52%);padding:6px 18px;border-radius:8px;background:rgba(0,0,0,.3);font-size:11px;letter-spacing:.05em;text-transform:none;color:rgba(238,232,218,.78)}
.browser .url svg{width:12px;height:12px;color:var(--turq)}
.browser img{display:block;width:100%;height:auto}

/* 02 AI agent */
.case-ai{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,7vw,120px);align-items:center}
.phone-stage{--pw:clamp(270px,25vw,370px);position:relative;display:grid;place-items:center;min-height:calc(var(--pw) * 2.05)}
.phone-stage:before{content:"";position:absolute;width:calc(var(--pw) * 1.5);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 42% 40%,rgba(22,194,174,.38),rgba(255,119,89,.16) 48%,rgba(6,28,24,0) 70%);filter:blur(30px)}
.rings{position:absolute;left:50%;top:calc(50% - var(--pw) * .505);width:0;height:0}
.rings i{position:absolute;left:0;top:0;width:var(--pw);aspect-ratio:1;border-radius:50%;border:1px solid rgba(140,245,220,.45);opacity:0;
  transform:translate(-50%,-50%) scale(.4);animation:ring 5.4s cubic-bezier(.2,.6,.3,1) infinite}
.rings i:nth-child(2){animation-delay:1.8s}
.rings i:nth-child(3){animation-delay:3.6s}
@keyframes ring{0%{transform:translate(-50%,-50%) scale(.4);opacity:0}12%{opacity:.9}100%{transform:translate(-50%,-50%) scale(2.7);opacity:0}}
.phone{position:relative;z-index:2;width:var(--pw);border-radius:46px;padding:9px;background:#0b1110;border:1px solid rgba(238,232,218,.16);will-change:transform;
  box-shadow:0 60px 120px -30px rgba(0,0,0,.85),0 0 0 6px rgba(238,232,218,.025),0 0 120px -10px rgba(22,194,174,.3)}
.phone img{display:block;width:100%;height:auto;border-radius:38px;clip-path:circle(var(--iris,150%) at 50% 21%)}

/* 03 WhatsApp */
.case-wa{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(40px,7vw,120px);align-items:center}
.stat{display:flex;align-items:flex-end;gap:8px;margin:14px 0 18px;line-height:.78}
.stat .num{font-size:clamp(130px,15vw,250px);font-weight:500;letter-spacing:-.07em;background:linear-gradient(180deg,var(--bio),var(--turq));-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat .unit{font-family:var(--mono);font-weight:500;font-size:clamp(30px,3vw,48px);color:var(--bio);padding-bottom:.25em}
.chat-stage{justify-self:center;width:min(440px,100%)}
.chat{height:clamp(540px,70vh,640px);display:flex;flex-direction:column;border-radius:26px;overflow:hidden;background:#0b141a;border:1px solid rgba(238,232,218,.12);
  box-shadow:0 60px 140px -30px rgba(0,0,0,.85),0 0 100px -30px rgba(37,211,102,.22);font-family:-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}
.chat-top{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#1f2c34;color:#e9edef}
.chat-top .av{flex:none;width:40px;height:40px;border-radius:50%;background:#2a3942;display:grid;place-items:center;color:var(--bio)}
.chat-top .av svg{width:20px;height:20px}
.chat-top b{display:block;font-weight:500;font-size:15px}
.chat-top .st{display:block;font-size:12px;color:#8696a0;margin-top:2px}
.chat-top .st.typing{color:#25d366}
.chat-body{flex:1;overflow:hidden;padding:16px 12px 8px;display:flex;flex-direction:column;gap:6px;
  background:#0b141a radial-gradient(rgba(233,237,239,.04) 1px,transparent 1px) 0 0/18px 18px}
.msg{display:flex}
.msg.out{justify-content:flex-end}
.msg .b{max-width:84%;padding:7px 9px 7px;border-radius:9px;font-size:13.5px;line-height:1.4;color:#e9edef}
.msg.out .b{background:#005c4b;border-top-right-radius:2px}
.msg.in .b{background:#202c33;border-top-left-radius:2px}
.msg .tm{display:inline-flex;align-items:center;gap:4px;float:right;margin:7px 0 -4px 12px;font-size:10.5px;color:rgba(233,237,239,.62);white-space:nowrap}
.msg .tk{width:16px;height:11px;color:#53bdeb}
.redact{display:flex;flex-direction:column;gap:7px;padding:4px 0 2px}
.redact i{display:block;height:10px;border-radius:3px;background:rgba(233,237,239,.3);filter:blur(1.2px)}
.rl{display:block;font-size:9px;color:rgba(233,237,239,.5);margin-top:7px}
.chat.js .msg{display:none}
.chat.js .msg.show{display:flex;animation:pop .38s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}
.chat-in{padding:10px 12px 12px;background:#0b141a}
.chat-in span{display:block;background:#202c33;border-radius:22px;padding:12px 16px;font-size:13px;color:#8696a0}
.note{font-size:10px;color:rgba(238,232,218,.5);margin:16px 0 0;text-align:center}

/* ---------- Method ---------- */
.method{position:relative}
.method h2{margin:0;font-weight:500;font-size:clamp(40px,5.8vw,96px);line-height:.95;letter-spacing:-.045em;max-width:15ch}
.method h2 em{font-style:normal;color:var(--turq)}
.steps{list-style:none;margin:clamp(50px,8vh,90px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,44px)}
.steps li{border-top:1px solid rgba(238,232,218,.22);padding-top:24px;display:flex;flex-direction:column;gap:10px}
.steps .mono{font-size:11px;color:var(--turq)}
.steps b{font-weight:500;font-size:clamp(22px,2vw,30px);letter-spacing:-.02em;line-height:1.1}
.steps li>span:not(.mono){font-size:15px;line-height:1.5;color:rgba(238,232,218,.7)}

/* ---------- Founder ---------- */
.founder{position:relative;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1fr);gap:clamp(40px,7vw,120px);align-items:center}
.portrait{position:relative;margin:0;width:100%;max-width:440px;justify-self:end;aspect-ratio:5/6;border-radius:300px 300px 26px 26px;overflow:hidden;background:var(--verde)}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;display:block;filter:saturate(.94) contrast(1.02)}
.portrait:before{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(120% 90% at 50% 35%,rgba(6,28,24,0) 55%,rgba(6,28,24,.4) 100%)}
.portrait:after{content:"";position:absolute;inset:10px;z-index:2;border-radius:290px 290px 18px 18px;border:1px solid rgba(140,245,220,.45);
  background:linear-gradient(180deg,rgba(6,28,24,0) 55%,rgba(6,28,24,.75))}
.portrait figcaption{position:absolute;z-index:3;left:28px;bottom:26px;font-size:10px;color:var(--bio)}
.founder h2{margin:0;font-weight:500;font-size:clamp(46px,6vw,100px);line-height:.92;letter-spacing:-.045em}
.quote{font-size:clamp(20px,1.8vw,27px);line-height:1.35;color:var(--bio);max-width:30ch;margin:22px 0 0;letter-spacing:-.01em}
.facts{display:grid;grid-template-columns:1fr 1fr;margin:34px 0 0;border-top:1px solid rgba(238,232,218,.16)}
.facts div{padding:16px 18px 16px 0;border-bottom:1px solid rgba(238,232,218,.16)}
.facts dt{font-size:10px;color:var(--niebla);margin-bottom:6px}
.facts dd{margin:0;font-size:15px;line-height:1.35}

/* ---------- Drone photo bands (stacked, full-bleed, fixed reveal) ---------- */
.aerial{position:relative;z-index:25;overflow-x:clip}
.band{position:relative;min-height:100vh;min-height:100svh;padding-top:clamp(110px,17vh,190px);padding-bottom:clamp(110px,17vh,190px)}
.b1{padding-top:clamp(150px,24vh,260px);padding-bottom:clamp(70px,11vh,120px)}
.case-ai.band,.case-wa.band,.founder.band{align-content:center}
.method.band{display:flex;flex-direction:column;justify-content:center}
.shot{position:absolute;z-index:-1;top:0;bottom:0;left:50%;width:100vw;margin-left:-50vw;clip-path:inset(0);background:var(--noche)}
.shot:before{content:"";position:absolute;z-index:2;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(140,245,220,.5) 25%,rgba(140,245,220,.5) 75%,transparent)}
.shot .pin{position:fixed;left:0;top:0;width:100%;height:100vh;height:100lvh;overflow:hidden;visibility:hidden}
.shot.on .pin{visibility:visible}
.shot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform-origin:50% 60%;will-change:transform;filter:saturate(1.06)}
.shot .pin:after{content:"";position:absolute;inset:0;background:var(--ov)}
.cap{position:absolute;z-index:3;right:var(--gut);top:20px;display:flex;align-items:center;gap:10px;font-size:10px;color:rgba(238,232,218,.85);text-shadow:0 1px 12px rgba(0,0,0,.7)}
.cap b{flex:none;width:7px;height:7px;border-radius:50%;background:#ff5a4f;box-shadow:0 0 10px rgba(255,90,79,.8)}
.s1{--ov:linear-gradient(90deg,rgba(6,28,24,.8),rgba(6,28,24,.5) 50%,rgba(6,28,24,.22)),linear-gradient(180deg,rgba(6,28,24,.3),rgba(6,28,24,0) 40%,rgba(6,28,24,.4))}
.s2{--ov:linear-gradient(180deg,rgba(6,28,24,.78),rgba(6,28,24,.42) 45%,rgba(6,28,24,.6))}
.s3,.s6{--ov:linear-gradient(270deg,rgba(6,28,24,.84),rgba(6,28,24,.52) 45%,rgba(6,28,24,.26))}
.s4{--ov:linear-gradient(90deg,rgba(6,28,24,.86),rgba(6,28,24,.58) 45%,rgba(6,28,24,.32))}
.s5{--ov:linear-gradient(90deg,rgba(6,28,24,.8),rgba(6,28,24,.3) 75%),linear-gradient(0deg,rgba(6,28,24,.62),rgba(6,28,24,0) 55%)}
.s7{--ov:linear-gradient(90deg,rgba(6,28,24,.74),rgba(6,28,24,.22) 70%,rgba(6,28,24,.12)),linear-gradient(0deg,rgba(6,28,24,.66),rgba(6,28,24,0) 42%)}
.s1 img{object-position:66% 50%}.s3 img{object-position:36% 50%}.s4 img{object-position:40% 50%}
.s5 img{object-position:22% 50%}.s6 img{object-position:40% 50%}.s7 img{object-position:56% 50%}

@media (max-width:900px){
  .case-ai,.case-wa,.founder{grid-template-columns:1fr}
  .case-ai .phone-stage{order:2}
  .portrait{justify-self:start;max-width:360px}
  .steps{grid-template-columns:1fr}
}
@media (max-width:760px){
  .navlink{display:none}
  .mega{font-size:12vw}
  .mega .ln:nth-child(3){-webkit-text-stroke:1.2px rgba(238,232,218,.9)}
  .case-web .case-meta{grid-template-columns:1fr;gap:14px}
  .case-web .case-meta .idx{justify-self:start}
  .browser .bar{height:32px;padding:0 10px}
  .browser .bar i{width:8px;height:8px}
  .browser .url{min-width:0;padding:4px 10px;font-size:10px}
  .phone-stage{--pw:min(270px,70vw)}
  .chat{height:540px}
  .facts{grid-template-columns:1fr}
  .shot[class]{--ov:linear-gradient(180deg,rgba(6,28,24,.66),rgba(6,28,24,.5) 50%,rgba(6,28,24,.74))}
  .band{padding-top:clamp(96px,14vh,140px);padding-bottom:clamp(96px,14vh,140px)}
  .b1{padding-top:130px;padding-bottom:64px}
  .cap{right:20px;top:16px;font-size:9px}
}
@media (prefers-reduced-motion:reduce){
  .mq-track,.rings i{animation:none}
  .chat.js .msg.show{animation:none}
}